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EP1221952A1 - Use of central cannabinoid receptor antagonist for preparing medicines - Google Patents

Use of central cannabinoid receptor antagonist for preparing medicines

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Publication number
EP1221952A1
EP1221952A1 EP00966200A EP00966200A EP1221952A1 EP 1221952 A1 EP1221952 A1 EP 1221952A1 EP 00966200 A EP00966200 A EP 00966200A EP 00966200 A EP00966200 A EP 00966200A EP 1221952 A1 EP1221952 A1 EP 1221952A1
Authority
EP
European Patent Office
Prior art keywords
receptor antagonist
cannabinoid receptor
preparing medicines
compound
central cannabinoid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00966200A
Other languages
German (de)
French (fr)
Other versions
EP1221952B1 (en
Inventor
Bernard Bourrie
Pierre Casellas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanofi Aventis France
Original Assignee
Sanofi Synthelabo SA
Sanofi Aventis France
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanofi Synthelabo SA, Sanofi Aventis France filed Critical Sanofi Synthelabo SA
Priority to SI200030706T priority Critical patent/SI1221952T1/en
Publication of EP1221952A1 publication Critical patent/EP1221952A1/en
Application granted granted Critical
Publication of EP1221952B1 publication Critical patent/EP1221952B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445—Non condensed piperidines, e.g. piperocaine
    • A61K31/4523—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems
    • A61K31/454—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/02—Drugs for disorders of the nervous system for peripheral neuropathies
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12—Antivirals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis

Definitions

  • the present invention relates to a new use of a central cannabinoid receptor antagonist called CB ⁇ receptors.
  • the invention relates to the use of a CBi receptor antagonist for the preparation of medicaments intended for the prevention and treatment of neuroinflammatory pathologies, in particular the diseases causing demyelination such as multiple sclerosis or Guillain-Barré syndrome, for example, as well as viral encephalitis, stroke or head trauma.
  • a CBi receptor antagonist for the preparation of medicaments intended for the prevention and treatment of neuroinflammatory pathologies, in particular the diseases causing demyelination such as multiple sclerosis or Guillain-Barré syndrome, for example, as well as viral encephalitis, stroke or head trauma.
  • CBi receptors present mainly in the central nervous system (Devane et al., Molecular Pharmacology, 1988, 34, 605-613) and the CB2 receptors present in the immune system (Nye et al., The Journal of Pharmacology and Experimental Therapeutics, 1985, 234, 784-791; Kaminski et al., 1992, Molecular Pharmacology, 42 , 736-742; Munro et al., Nature, 1993, 365, 61-65).
  • cannabis can reduce or suppress certain symptoms associated with multiple sclerosis such as muscle spasticity and pain, (CNS Drugs, 1999, 11/5, 327-334).
  • N-piperidino-5- (4-chlorophenyl) -1- (2,4-dichlorophenyl) -4-methylpyrazole-3-carboxamide hereinafter called compound A, of formula: its pharmaceutically acceptable salts and their solvates, are described in European patent EP-656 354, as antagonists of the central CBi cannabinoid receptors.
  • CB ⁇ receptor antagonist such as compound A, its pharmaceutically acceptable salts or their solvates
  • a CB ⁇ receptor antagonist such as compound A, its pharmaceutically acceptable salts or their solvates
  • neuroinflammatory pathologies in particular diseases causing demyelination such as multiple sclerosis or Guillain-Barré syndrome, for example, as well as viral encephalitis, stroke or head trauma.
  • the present invention relates to the use of N-piperidino-5- (4-chlorophenyl) -l- (2,4-dichlorophenyl) -4-methylpyrazole-3-carboxamide, of a salt thereof pharmaceutically acceptable or one of their solvates for the preparation of medicaments useful for the prevention and for the treatment of such diseases.
  • compositions of the present invention for oral, sublingual, subcutaneous, intramuscular, intravenous, transdermal, local or rectal administration
  • the active ingredient alone or in combination with another active ingredient can be administered in unit form of administration, in admixture with conventional pharmaceutical carriers, to animals and humans.
  • Suitable unit administration forms include oral forms such as tablets, capsules, powders, granules and oral solutions or suspensions, sublingual and oral administration forms, aerosols, implants, forms subcutaneous, transdermal, intramuscular, intravenous, intranasal and rectal administration forms.
  • the daily dosage of the compound according to the invention is from 0.001 to 5 mg / kg, advantageously from 0.01 to 2.5 mg / kg, preferably from 0.02 to 2 mg / kg, at administer one or more times.
  • the compounds are generally formulated in dosage unit containing from 0.1 to 500 mg, advantageously from 1 to 250 mg, preferably from 2 to 200 mg, of active principle per dosage unit, to be administered once, twice or more times at the same time, as necessary.
  • these dosages are examples of average situations, there may be special cases where higher or lower dosages are appropriate, such dosages also belong to the invention.
  • the appropriate dosage for each patient is determined by the doctor according to the mode of administration, the age, the weight and the response of said patient. According to the present invention, oral forms of administration are preferred.
  • the invention also relates to a method for treating neuroinflammatory pathologies, in particular diseases causing demyelination such as multiple sclerosis or Guillain-Barré syndrome for example; as well as viral encephalitis, stroke or head trauma.
  • diseases causing demyelination such as multiple sclerosis or Guillain-Barré syndrome for example; as well as viral encephalitis, stroke or head trauma.
  • the activity of the cannabinoid receptor antagonist CB ⁇ was sought in the experimental allergic encephalitis (EAE) model induced: a) in the Lewis rat by the intraplantar administration of myelin basic protein (MBP) (fragment 68-84) in a complete Freund's adjuvant (FCA) enriched in mycobacterium tuberculosis according to the protocol published by Martin and Near (J.
  • EAE allergic encephalitis
  • EAE is an autoimmune and inflammatory disease of the central nervous system with demyelinating lesions reminiscent for example of that of human multiple sclerosis.
  • the representative compound of the invention administered orally or intraperitoneally since day zero of induction of the disease, very significantly attenuates the disease, attenuation measured both on the variations in weight of the animals (sick animals have a significant loss of weight) and on the severity of the pathology (sick animals have paralysis of the hind legs).
  • the weight loss of the animals treated with compound A is significantly lower than that of the animals treated by the vehicle alone.
  • the severity of the disease is statistically lower in the groups of animals treated with compound A.
  • EXAMPLE 1 Capsule dosed with 1 mg of CB1 receptor antagonist.
  • EXAMPLE 2 Capsule dosed with 10 mg of CB1 receptor antagonist.
  • EXAMPLE 3 Capsule dosed with 30 mg of CB1 receptor antagonist.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Neurosurgery (AREA)
  • Epidemiology (AREA)
  • Neurology (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Virology (AREA)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Vascular Medicine (AREA)
  • Urology & Nephrology (AREA)
  • Hospice & Palliative Care (AREA)
  • Psychiatry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pyrane Compounds (AREA)

Abstract

The invention concerns the use of a central cannabinoid receptor antagonist for preparing medicines for use in treating and preventing neuro-inflammatory pathologies.

Description

UTILISATION D'UN ANTAGONISTE DES RECEPTEURS AUX CANNABINOÏDES CENTRAUX POUR LA PREPARATION DE USE OF A CENTRAL CANNABINOID RECEPTOR ANTAGONIST FOR THE PREPARATION OF
MEDICAMENTS.DRUGS.
La présente invention concerne une nouvelle utilisation d'un antagoniste des récepteurs aux cannabinoïdes centraux dits récepteurs CB \ .The present invention relates to a new use of a central cannabinoid receptor antagonist called CB \ receptors.
Plus particulièrement, l'invention se rapporte à l'utilisation d'un antagoniste des récepteurs CBi pour la préparation de médicaments destinés à la prévention et au traitement des pathologies neuroinflammatoires, en particulier les maladies entraînant une démyélinisation telles que la sclérose en plaques ou le syndrome de Guillain-Barré par exemple, ainsi que les encéphalites virales, les accidents vasculaires cérébraux ou les traumatismes crâniens.More particularly, the invention relates to the use of a CBi receptor antagonist for the preparation of medicaments intended for the prevention and treatment of neuroinflammatory pathologies, in particular the diseases causing demyelination such as multiple sclerosis or Guillain-Barré syndrome, for example, as well as viral encephalitis, stroke or head trauma.
Les effets des cannabinoïdes sont dûs à une interaction avec des récepteurs spécifiques de haute affinité couplés aux protéines G. Deux types de récepteurs sont actuellement décrits : les récepteurs CBi , présents majoritairement au niveau du système nerveux central (Devane et al., Molecular Pharmacology, 1988, 34, 605-613) et les récepteurs CB2 présents dans le système immunitaire (Nye et al., The Journal of Pharmacology and Expérimental Therapeutics, 1985, 234, 784-791 ; Kaminski et al., 1992, Molecular Pharmacology, 42, 736-742 ; Munro et al., Nature, 1993, 365, 61-65).The effects of cannabinoids are due to an interaction with specific high affinity receptors coupled to G proteins. Two types of receptors are currently described: CBi receptors, present mainly in the central nervous system (Devane et al., Molecular Pharmacology, 1988, 34, 605-613) and the CB2 receptors present in the immune system (Nye et al., The Journal of Pharmacology and Experimental Therapeutics, 1985, 234, 784-791; Kaminski et al., 1992, Molecular Pharmacology, 42 , 736-742; Munro et al., Nature, 1993, 365, 61-65).
Il est connu que le cannabis peut réduire ou supprimer certains symptômes associés à la sclérose en plaques tels que la spasticité musculaire et la douleur, (CNS Drugs, 1999, 11/5, 327-334).It is known that cannabis can reduce or suppress certain symptoms associated with multiple sclerosis such as muscle spasticity and pain, (CNS Drugs, 1999, 11/5, 327-334).
Par ailleurs, il est décrit que des composés actifs sélectivement sur les récepteurs CB2 aux cannabinoïdes peuvent être utilisées dans le traitement des maladies inflammatoires d'origine immunitaire (demande de brevet WO 98/31227).Furthermore, it is described that compounds which are selectively active on the cannabinoid CB2 receptors can be used in the treatment of inflammatory diseases of immune origin (patent application WO 98/31227).
L'utilisation d'agonistes des récepteurs CB] aux cannabinoïdes est citée pour la prévention et le traitement de maladies neurodégénératives (demande de brevet WO 98/439100). Le N-pipéridino-5-(4-chlorophényl)-l-(2,4-dichlorophényl)-4-méthylpyrazole-3- carboxamide, ci-après dénommé composé A, de formule : ses sels pharmaceutiquement acceptables et leurs solvats, sont décrits dans le brevet européen EP-656 354, comme antagonistes des récepteurs centraux CBi aux cannabinoïdes.The use of cannabinoid CB] receptor agonists is cited for the prevention and treatment of neurodegenerative diseases (patent application WO 98/439100). N-piperidino-5- (4-chlorophenyl) -1- (2,4-dichlorophenyl) -4-methylpyrazole-3-carboxamide, hereinafter called compound A, of formula: its pharmaceutically acceptable salts and their solvates, are described in European patent EP-656 354, as antagonists of the central CBi cannabinoid receptors.
On a maintenant trouvé que l'administration d'un antagoniste des récepteurs CB \ comme le composé A, ses sels pharmaceutiquement acceptables ou leurs solvats, est utile pour la prévention et le traitement des pathologies neuroinflammatoires, en particulier les maladies entraînant une démyélinisation telles que la sclérose en plaques ou le syndrome de Guillain-Barré par exemple, ainsi que les encéphalites virales, les accidents vasculaires cérébraux ou les traumatismes crâniens.It has now been found that the administration of a CB \ receptor antagonist such as compound A, its pharmaceutically acceptable salts or their solvates, is useful for the prevention and treatment of neuroinflammatory pathologies, in particular diseases causing demyelination such as multiple sclerosis or Guillain-Barré syndrome, for example, as well as viral encephalitis, stroke or head trauma.
Selon un de ses aspects, la présente invention concerne l'utilisation du N- pipéridino-5-(4-chlorophényl)-l-(2,4-dichlorophényl)-4-méthylpyrazole-3- carboxamide, d'un de ses sels pharmaceutiquement acceptables ou d'un de leurs solvats pour la préparation de médicaments utiles pour la prévention et pour le traitement de telles maladies.According to one of its aspects, the present invention relates to the use of N-piperidino-5- (4-chlorophenyl) -l- (2,4-dichlorophenyl) -4-methylpyrazole-3-carboxamide, of a salt thereof pharmaceutically acceptable or one of their solvates for the preparation of medicaments useful for the prevention and for the treatment of such diseases.
Le composé A et ses sels pharmaceutiquement acceptables sont préparés selon le brevet européen EP 656 354, de même les compositions pharmaceutiques peuvent être préparées selon la description de ce même brevet.Compound A and its pharmaceutically acceptable salts are prepared according to European patent EP 656 354, likewise the pharmaceutical compositions can be prepared according to the description of this same patent.
Dans les compositions pharmaceutiques de la présente invention pour l'administration orale, sublinguale, sous-cutanée, intramusculaire, intraveineuse, transdermique, locale ou rectale, le principe actif seul ou en association avec un autre principe actif peut être administré sous forme unitaire d'administration, en mélange avec des supports pharmaceutiques classiques, aux animaux et aux êtres humains. Les formes unitaires d'administration appropriées comprennent les formes par voie orale telles que les comprimés, les gélules, les poudres, les granules et les solutions ou suspensions orales, les formes d'administration sublinguale et buccale, les aérosols, les implants, les formes d'administration sous-cutanée, transdermique, intramusculaire, intraveineuse, intranasale et les formes d'administration rectale.In the pharmaceutical compositions of the present invention for oral, sublingual, subcutaneous, intramuscular, intravenous, transdermal, local or rectal administration, the active ingredient alone or in combination with another active ingredient can be administered in unit form of administration, in admixture with conventional pharmaceutical carriers, to animals and humans. Suitable unit administration forms include oral forms such as tablets, capsules, powders, granules and oral solutions or suspensions, sublingual and oral administration forms, aerosols, implants, forms subcutaneous, transdermal, intramuscular, intravenous, intranasal and rectal administration forms.
Le dosage journalier du composé selon l'invention est de 0,001 à 5 mg/kg, avantageusement de 0,01 à 2,5 mg/kg, préférentiellement de 0,02 à 2 mg/kg, à administrer en une ou plusieurs fois. Les composés sont généralement formulés en unité de dosage contenant de 0,1 à 500 mg, avantageusement de 1 à 250 mg, préférentiellement de 2 à 200 mg, de principe actif par unité de dosage, à administrer une fois, deux fois ou plusieurs fois en même temps, selon la nécessité. Bien que ces dosages soient des exemples de situation moyennes, il peut y avoir des cas particuliers où des dosages plus élevés ou plus faibles sont appropriés, de tels dosages appartiennent également à l'invention. Selon la pratique habituelle, le dosage approprié à chaque patient est déterminé par le médecin selon le mode d'administration, l'âge, le poids et la réponse dudit patient. Selon la présente invention, les formes orales d'administration sont préférées.The daily dosage of the compound according to the invention is from 0.001 to 5 mg / kg, advantageously from 0.01 to 2.5 mg / kg, preferably from 0.02 to 2 mg / kg, at administer one or more times. The compounds are generally formulated in dosage unit containing from 0.1 to 500 mg, advantageously from 1 to 250 mg, preferably from 2 to 200 mg, of active principle per dosage unit, to be administered once, twice or more times at the same time, as necessary. Although these dosages are examples of average situations, there may be special cases where higher or lower dosages are appropriate, such dosages also belong to the invention. According to usual practice, the appropriate dosage for each patient is determined by the doctor according to the mode of administration, the age, the weight and the response of said patient. According to the present invention, oral forms of administration are preferred.
L'invention est également relative à une méthode de traitement des pathologies neuroinflammatoires, en particulier les maladies entraînant une démyélinisation telles que la sclérose en plaques ou le syndrome de Guillain-Barré par exemple ; ainsi que les encéphalites virales, les accidents vasculaires cérébraux ou les traumatismes crâniens.The invention also relates to a method for treating neuroinflammatory pathologies, in particular diseases causing demyelination such as multiple sclerosis or Guillain-Barré syndrome for example; as well as viral encephalitis, stroke or head trauma.
L'activité de l'antagoniste des récepteurs aux cannabinoïdes CB\ a été recherchée dans le modèle d'encéphalite allergique expérimentale (EAE) induite : a) chez le rat Lewis par l'administration intraplantaire de protéine basique de myéline (MBP) (fragment 68-84) dans un adjuvant complet de Freund (FCA) enrichi en mycobacterium tuberculosis selon le protocole publié par Martin et Near (J.The activity of the cannabinoid receptor antagonist CB \ was sought in the experimental allergic encephalitis (EAE) model induced: a) in the Lewis rat by the intraplantar administration of myelin basic protein (MBP) (fragment 68-84) in a complete Freund's adjuvant (FCA) enriched in mycobacterium tuberculosis according to the protocol published by Martin and Near (J.
Neuroimmunol., 1995, 241-245), b) chez la souris SjL/j par l'administration sous-cutanée de peptide protéolipide (PLP) (fragment 139-151) dans un adjuvant complet de Freud enrichi en mycobacterium tuberculosis selon le protocole décrit dans Proc. Natl. Acad. Sci. USA, 1996,. 93, 2499-2504. 24 et 48 heures après cette injection, les souris reçoivent une suspension de Bordetella pertusis par voie intraveineuse.Neuroimmunol., 1995, 241-245), b) in SjL / d mice by subcutaneous administration of proteolipid peptide (PLP) (fragment 139-151) in a complete Freud's adjuvant enriched in mycobacterium tuberculosis according to the protocol described in Proc. Natl. Acad. Sci. USA, 1996 ,. 93, 2499-2504. 24 and 48 hours after this injection, the mice receive a suspension of Bordetella pertusis intravenously.
L'EAE est une maladie autoimmune et inflammatoire du système nerveux central présentant des lésions démyélinisantes rappelant par exemple celle de la sclérose en plaques humaine. Dans les modèles expérimentaux, le composé représentatif de l'invention, administré par voie orale ou intrapéritonéale depuis le jour zéro d'induction de la maladie, atténue de façon très significative la maladie, atténuation mesurée à la fois sur les variations de poids des animaux (les animaux malades présentent une perte importante de poids) et sur la sévérité de la pathologie (les animaux malades présentent une paralysie des pattes postérieures). La perte de poids des animaux traités, par le composé A est significativement plus faible que celle des animaux traités par le seul véhicule. De même, la sévérité de la maladie est statistiquement plus faible dans les groupes d'animaux traités par le composé A.EAE is an autoimmune and inflammatory disease of the central nervous system with demyelinating lesions reminiscent for example of that of human multiple sclerosis. In the experimental models, the representative compound of the invention, administered orally or intraperitoneally since day zero of induction of the disease, very significantly attenuates the disease, attenuation measured both on the variations in weight of the animals (sick animals have a significant loss of weight) and on the severity of the pathology (sick animals have paralysis of the hind legs). The weight loss of the animals treated with compound A is significantly lower than that of the animals treated by the vehicle alone. Likewise, the severity of the disease is statistically lower in the groups of animals treated with compound A.
Les résultats de ces études montrent que le composé A, antagoniste des récepteurs aux cannabinoïdes CB\ et ses sels et solvats pharmaceutiquement acceptables, interviennent favorablement dans cette pathologie de dysfonctionnement neurologique et peuvent ainsi trouver une application clinique dans le traitement de maladies causant des lésions démyélinisantes, telle que la sclérose en plaques.The results of these studies show that compound A, a CB cannabinoid receptor antagonist and its pharmaceutically acceptable salts and solvates, play a favorable role in this pathology of neurological dysfunction and can thus find clinical application in the treatment of diseases causing demyelinating lesions , such as multiple sclerosis.
EXEMPLE 1 Gélule dosée à 1 mg d'antagoniste des récepteurs CB1.EXAMPLE 1 Capsule dosed with 1 mg of CB1 receptor antagonist.
Composé A micronisé 1,00 mg Amidon de maïs 51 ,00 mgCompound A micronized 1.00 mg Corn starch 51.00 mg
Lactose monohydrate 103,33 mgLactose monohydrate 103.33 mg
Polyvidone 4,30 mgPolyvidone 4.30 mg
Sodium laurylsulfate 0,17 mgSodium lauryl sulfate 0.17 mg
Carboxyméthyl cellulose de sodium réticulé 8,50 mg Eau purifiée : Q.S. pour granulation humideCrosslinked sodium carboxymethyl cellulose 8.50 mg Purified water: Q.S. for wet granulation
Stéarate de magnésium 1,70 mgMagnesium stearate 1.70 mg
Pour une gélule blanc opaque n° 3 remplie à 170 mgFor an opaque white capsule No. 3 filled to 170 mg
EXEMPLE 2 Gélule dosée à 10 mg d'antagoniste des récepteurs CB1.EXAMPLE 2 Capsule dosed with 10 mg of CB1 receptor antagonist.
Composé A micronisé 10,00 mg Amidon de maïs 51 ,00 mgCompound A micronized 10.00 mg Corn starch 51.00 mg
Lactose monohydrate 94,33 mgLactose monohydrate 94.33 mg
Polyvidone 4,30 mgPolyvidone 4.30 mg
Sodium laurylsulfate 0,17 mgSodium lauryl sulfate 0.17 mg
Carboxyméthyl cellulose de sodium réticulé 8,50 mg Eau purifiée : Q.S. pour granulation humideCrosslinked sodium carboxymethyl cellulose 8.50 mg Purified water: Q.S. for wet granulation
Stéarate de magnésium 1 ,70 mgMagnesium stearate 1.70 mg
Pour une gélule blanc opaque n° 3 remplie à 170 mgFor an opaque white capsule No. 3 filled to 170 mg
EXEMPLE 3 Gélule dosée à 30 mg d'antagoniste des récepteurs CB1.EXAMPLE 3 Capsule dosed with 30 mg of CB1 receptor antagonist.
Composé A micronisé 30,00 mg Amidon de maïs 51,00 mgCompound A micronized 30.00 mg Corn starch 51.00 mg
Lactose monohydrate 74,33 mgLactose monohydrate 74.33 mg
Polyvidone 4,30 mgPolyvidone 4.30 mg
Sodium laurylsulfate 0,17 mgSodium lauryl sulfate 0.17 mg
Carboxyméthyl cellulose de sodium réticulé 8,50 mg Eau purifiée : Q.S. pour granulation humideCrosslinked sodium carboxymethyl cellulose 8.50 mg Purified water: Q.S. for wet granulation
Stéarate de magnésium 1,70 mg Pour une gélule blanc opaque n° 3 remplie à 170 mg EXEMPLE 4 Comprimé dosé à 30 mg d'antagoniste des récepteurs CBl.Magnesium stearate 1.70 mg For an opaque white capsule No. 3 filled with 170 mg EXAMPLE 4 Tablet dosed with 30 mg of CB1 receptor antagonist.
Composé A micronisé 30,00 mgCompound A micronized 30.00 mg
Lactose monohydrate Q.S. Amidon de maïs 40,00 mgLactose monohydrate Q.S. Corn starch 40.00 mg
Hydroxypropylméthyl cellulose 6cP 5,00 mg Eau purifiée : Q.S. pour granulation humideHydroxypropylmethyl cellulose 6cP 5.00 mg Purified water: Q.S. for wet granulation
Carboxyméthyl cellulose de sodium réticulé 10,00 mgCrosslinked sodium carboxymethyl cellulose 10.00 mg
Stéarate de magnésium 2,00 mg Pour un comprimé terminé à 200 mg. Magnesium stearate 2.00 mg For one tablet finished at 200 mg.

Claims

REVENDICATIONS
1. Utilisation du N-pipéridino-5-(4-chlorophényl)- 1 -(2,4-dichlorophényl)-4- méthylpyrazole-3-carboxamide ou un de ses sels pharmaceutiquement acceptable ou un de leurs solvats pour la préparation de médicaments utiles pour prévenir ou pour traiter les pathologies neuroinflammatoires.1. Use of N-piperidino-5- (4-chlorophenyl) - 1 - (2,4-dichlorophenyl) -4- methylpyrazole-3-carboxamide or one of its pharmaceutically acceptable salts or one of their solvates for the preparation of medicaments useful for preventing or treating neuroinflammatory pathologies.
2. Utilisation selon la revendication 1 pour prévenir ou pour traiter les maladies entraînant une démyélinisation, les encéphalites virales, les accidents vasculaires cérébraux ou les traumatismes crâniens. 2. Use according to claim 1 for preventing or treating diseases causing demyelination, viral encephalitis, stroke or head trauma.
3. Utilisation selon la revendication 2 pour traiter la sclérose en plaques. 3. Use according to claim 2 for treating multiple sclerosis.
EP00966200A 1999-10-01 2000-09-27 Use of central cannabinoid receptor antagonist for preparing medicines Expired - Lifetime EP1221952B1 (en)

Priority Applications (1)

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SI200030706T SI1221952T1 (en) 1999-10-01 2000-09-27 Use of central cannabinoid receptor antagonist for preparing medicines

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9912415A FR2799124B1 (en) 1999-10-01 1999-10-01 USE OF ANTAGONISTS OF CENTRAL CANNABINOID RECEPTORS FOR THE PREPARATION OF DRUGS
FR9912415 1999-10-01
PCT/FR2000/002662 WO2001024798A1 (en) 1999-10-01 2000-09-27 Use of central cannabinoid receptor antagonist for preparing medicines

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EP1221952B1 EP1221952B1 (en) 2005-05-11

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EP (1) EP1221952B1 (en)
JP (1) JP2003510361A (en)
AR (1) AR025883A1 (en)
AT (1) ATE295170T1 (en)
AU (1) AU7667300A (en)
DE (1) DE60020145T2 (en)
DK (1) DK1221952T3 (en)
ES (1) ES2240176T3 (en)
FR (1) FR2799124B1 (en)
PT (1) PT1221952E (en)
WO (1) WO2001024798A1 (en)

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DE60020145T2 (en) 2006-02-16
ATE295170T1 (en) 2005-05-15
AU7667300A (en) 2001-05-10
DE60020145D1 (en) 2005-06-16
FR2799124B1 (en) 2004-08-13
FR2799124A1 (en) 2001-04-06
WO2001024798A1 (en) 2001-04-12
JP2003510361A (en) 2003-03-18
ES2240176T3 (en) 2005-10-16
PT1221952E (en) 2005-08-31
EP1221952B1 (en) 2005-05-11
AR025883A1 (en) 2002-12-18
US6642258B1 (en) 2003-11-04
DK1221952T3 (en) 2005-08-29

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